3M announced today that it has completed its acquisition of Cogent Inc., pursuant to a merger agreement that was approved and adopted by Cogent's stockholders at a special meeting held on Dec. 1, 2010. Under the terms of the merger agreement, Cogent's stockholders are entitled to receive $10.50 per share in cash.I must have missed this while traveling. Those searching for a stock quote for COGT won't find one.